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Financial risk management - Liquidity risk (Details) $ in Millions, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2017 ARS ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2017 ARS ($) | Dec. 31, 2016 ARS ($)
Operative working capital - negative |  |  |  |  |
Trade receivables |  |  |  | $ 8,636 | $ 7,577
Other receivables (not considering financial NDF) |  |  |  | 1,431 | 1,011
Inventories |  |  |  | 1,854 | 1,278
Current liabilities (not considering financial debt) |  |  |  | (18,793) | (13,245)
Operative working capital - negative |  |  |  | (6,872) | (3,379)
Over revenues | (10.50%) | (6.40%) |  |  |
Variations in operative working capital - negative |  |  |  |  |
Variation in trade receivables | $ 1,059 |  |  |  |
Variation in other receivables | 420 |  |  |  |
Variation in inventories | 576 |  |  |  |
Variation in current liabilities (not considering financial debt) | (5,548) |  |  |  |
Variation in operative working capital | (3,493) |  |  |  |
Net current financial asset (debt) |  |  |  |  |
Cash and cash equivalents |  | $ 250 | $ 153 | 2,831 | 3,945
Financial NDF |  |  |  | 60 |
Investments |  |  |  | 3,426 | 1,751
Current financial debt |  |  |  | (3,194) | (3,266)
Net Current financial asset (debt) |  |  |  | 3,123 | 2,430
Variations in net current financial asset (debt) |  |  |  |  |
Variation in cash and cash equivalents | (1,114) |  |  |  |
Variation in investments | 1,675 |  |  |  |
Variation in Financial NDF | 60 |  |  |  |
Variation in current financial debt | 72 |  |  |  |
Variation in net current financial asset (debt) | 693 |  |  |  |
Negative operating working capital (current assets - current liabilities) |  |  |  | $ (3,749) | $ (949)
Variation in working capital | $ (2,800) |  |  |  |
Liquidity rate | 0.83 | 0.94 |  |  |
Variation in liquidity rate | (0.11) |  |  |  |
Leverage rate | 2.00% |  |  |  |

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